JPS6038672A - Error detecting method and apparatus of watthour meter - Google Patents

Error detecting method and apparatus of watthour meter

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Publication number
JPS6038672A
JPS6038672A JP14847683A JP14847683A JPS6038672A JP S6038672 A JPS6038672 A JP S6038672A JP 14847683 A JP14847683 A JP 14847683A JP 14847683 A JP14847683 A JP 14847683A JP S6038672 A JPS6038672 A JP S6038672A
Authority
JP
Japan
Prior art keywords
pulse
rotation
error
circuit
rotating disk
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP14847683A
Other languages
Japanese (ja)
Other versions
JPH0217079B2 (en
Inventor
Tatsunori Hibara
火原 辰則
Toshihiro Shimoe
下江 利洋
Akimoro Kataoka
片岡 章師
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP14847683A priority Critical patent/JPS6038672A/en
Publication of JPS6038672A publication Critical patent/JPS6038672A/en
Publication of JPH0217079B2 publication Critical patent/JPH0217079B2/ja
Granted legal-status Critical Current

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Abstract

PURPOSE:To enhance the efficiency in error detection, by storing count value of a reference pulse at every detection pulse section corresponding to one rotation, and comparing the same with the count value of the reference pulse on and after second time in the same detection pulse section to operate the same. CONSTITUTION:When the rotary disc 2 of WHM1 is rotated, a rotation detecting pulse 10 is obtained from a rotation detector 4. Similarily, a reference pulse is generated from a reference pulse generator 6. A counter circuit 7 counts the reference pulse of a rotation detecting pulse 10 and a control circuit 18 allows a memory circuit 16 to store the count value of the counter circuit 7 corresponding to one rotation. Reference values P1, P2 at every section are calculated from the stored count value and a reference value B by an operator circuit 17. When the reference values P1, P2 are calculated, the reference values P1, P2 and the count values Cn1, Cn2 of the count circuit 7 at every section are operated by the operator circuit in an on-and-after section to calculate an error epsilon. by repeating this operation, the error can be calculated at every rotation detecting pulse. Therefore, the error is obtained at a high speed within one rotation of the rotary disc and the efficiency of error detection can be enhanced.

Description

【発明の詳細な説明】 〔発明の技術分野〕 この発明は、回転円板を有する゛電力量計(以下−WH
Vと称す)の誤差検出方法およびその装置に関するもの
である。
[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a ``watthour meter'' (hereinafter referred to as -WH) having a rotating disk.
The present invention relates to an error detection method and apparatus for the error detection method (referred to as V).

〔従来技術〕[Prior art]

従来−この種の方法として第1図に示すロータリーカウ
ンタ法(以下RO法と称す)があった。
Conventionally, as a method of this type, there was a rotary counter method (hereinafter referred to as RO method) shown in FIG.

第1図において、(1)は1v HM−+3)は電源−
(4)は回転円板(2〕の回転を検出する回転検出器、
(5)は前記回転検出器(4)の回転検出パルスを分周
する分周回路、(6)は前記電源(3)から供給される
電力量に応じた基準パルスを発生する基準パルス発生器
、(7)は前記基準パルスを前記分周回路(5)の分周
パIレスの量計数するカウンタ回路、(8)は前記カウ
ンタ回路(7)の出力値から誤差を演算する演算回路、
(9)は前記演算回路(8)で得られる誤差を表示する
表示器である。なお、Aは回転円板(1)’111回転
させて誤差をめるかを決める分局比、BIdW差演算用
の基準値(誤差0のときのカウンタ回路(ア)の計数値
)である。
In Figure 1, (1) is 1v HM-+3) is the power supply -
(4) is a rotation detector that detects the rotation of the rotating disk (2);
(5) is a frequency dividing circuit that divides the rotation detection pulse of the rotation detector (4), and (6) is a reference pulse generator that generates a reference pulse according to the amount of electric power supplied from the power source (3). , (7) is a counter circuit that counts the amount of the frequency division pulse I of the frequency divider circuit (5), (8) is an arithmetic circuit that calculates an error from the output value of the counter circuit (7),
(9) is a display that displays the error obtained by the arithmetic circuit (8). Note that A is a division ratio that determines whether to rotate the rotating disk (1)'111 to correct for an error, and a reference value for calculating the BIdW difference (the count value of the counter circuit (A) when the error is 0).

つぎに、上記構成の動作について説明する。電源(3)
からW HM [1)と基準パルス発生器(6)に電力
を与え、回転円板(2)を回転させて回転検出用の検出
器(4)から回転検出パルス(10)を得る。この回転
検出バノVス(鴎は分周比Aで分周回路(5)で分周さ
れ、カウンタ回路(γ)のリセットパルス(1υと表示
器(9)の表示切換パルス((2)を発生する。カウン
タ回路(ア)は基13^パルス発生器(6)のバフレス
により計数を行ない、前記リセット式lレス(1υでリ
セットされる。演算回路(8)はカウンタ回路(γ)の
計数値と基準値Bを演算し基準値Bに対する誤差を演算
し、表示回路(9)に出力する。表示回路F9) il
t演算回路(8)の誤差出力を表示切換パルス(ロ)で
表示する。当然のことながら表示切換ハ)レス(ロ)は
カウンタ回路(7)のリセット式lレス(1υより先に
出るようになっており、誤差表示はカウンタ回路(7)
の最大値の演算結果を示すようになっている。
Next, the operation of the above configuration will be explained. Power supply (3)
Power is applied to the W HM [1) and the reference pulse generator (6) to rotate the rotating disk (2) to obtain a rotation detection pulse (10) from the rotation detection detector (4). The rotation detection frequency is divided by the frequency dividing circuit (5) at the frequency division ratio A, the reset pulse (1υ) of the counter circuit (γ) and the display switching pulse ((2) of the display (9)). The counter circuit (A) performs counting by the bufferless pulse generator (6), and is reset by the reset method (1υ). The counted value and the reference value B are calculated, the error with respect to the reference value B is calculated, and the result is output to the display circuit (9).Display circuit F9) il
The error output of the t calculation circuit (8) is displayed using a display switching pulse (b). Naturally, the display switching c)res (b) appears before the reset type lres (1υ) of the counter circuit (7), and the error display is performed by the counter circuit (7).
It is designed to show the calculation result of the maximum value of .

なお、回転検出バフレス(10)は第2図に示すように
100等分目盛α3)を有する回転円板(2)のクリー
プ孔0→や試験標(至)を使用する。
As shown in FIG. 2, the rotation detection buffless (10) uses creep holes 0→ and test marks (to) of the rotating disk (2) having 100 equal divisions α3).

一般に一回転円板(2)を有するW HM (1)では
回転円板(2)の軸受の摩擦や機械的アンバランス、ク
リープ孔(141の影響などのため、1回転の内には回
転むらがあるとされており、最低1回転以上回転させて
誤差を検出する。分周回路(5)はこのためのもので・
たとえばクリープ孔0.0を回転検出ノクルス(10)
として使用する場合は1回転に2個の回転検出バルスロ
0)が得られるが分周比Aを2とすることにより、1回
転に1個に分周して使用し一回転むらの影響のない誤差
の検出が可能となる。
In general, in a WHM (1) having a one-rotating disk (2), there is rotational unevenness within one rotation due to bearing friction, mechanical imbalance, creep hole (141), etc. of the rotating disk (2). The error is detected by rotating it at least once.The frequency dividing circuit (5) is for this purpose.
For example, Noculus (10) detects rotation of creep hole 0.0
When used as a rotor, two rotation detecting ball throttles are obtained per rotation, but by setting the frequency division ratio A to 2, the frequency is divided to one per rotation and used, and there is no effect of one rotation unevenness. Errors can be detected.

なお、RO法における誤差εは次式によりまる。Note that the error ε in the RO method is determined by the following equation.

C・・・誤差 B・・・誤差0のときの基準/シルスカウント値0・・
・基準パルスカウント値 〔発明の概要〕 したがって、この発明は複数の回転検出l々μス各間ご
との基準パルスの計数値を1回転分記憶させ−この記憶
された基準パルスの計数値と同一検出パルス区間の2回
目以後の基準ノ々ルスの計数値を比較・演算するように
構成して、誤差の検出を効率的に行なうことができる電
力量計の誤差検出方法およびその装置を提供することを
目的としている。
C...Error B...Reference when error is 0/Sils count value 0...
・Reference pulse count value [Summary of the invention] Therefore, the present invention stores the count value of the reference pulse for each interval of a plurality of rotation detection cycles for one rotation, and the count value of the reference pulse is the same as the stored count value of the reference pulse. To provide a method and device for detecting errors in a watt-hour meter, which are configured to compare and calculate the counted values of a reference nodal pulse after the second detection pulse interval, and can efficiently detect errors. The purpose is to

〔発明の実施例〕[Embodiments of the invention]

第5図において、(1)はW HV 、 f2)は回転
円板−(3)はtg源、(4)は回転検出器、(6)は
基準ノ<ルス発生器、(7)は前記回転検出器(4)の
出カッくルス(10)間の前記基準パルス発生器(6)
の基準ノぐルスを計数するカウンタ回路、θ6)はカウ
ンタ回路(7)の計数値を回転むらとして1回転分記憶
する記憶回路、07)は前記記憶回路06)の1回転の
計数値と基準値Bを演算して、回転検出パルス叫に対応
する基準値0を演算する演算回路、(8)は前記カウン
タ回路(7)の計数値と前記演算回路α力の回転検出パ
ルスuo’)に対応した基準値0を演算して回転検出パ
ルス110)ごとの誤差を演算する演算回路、(9)は
誤差の表示器、■)は各回路のタイ之ングを制御する制
御回路である。
In FIG. 5, (1) is the WHV, f2) is the rotating disk, (3) is the TG source, (4) is the rotation detector, (6) is the reference pulse generator, and (7) is the Said reference pulse generator (6) between the output pulses (10) of the rotation detector (4)
θ6) is a memory circuit that stores the counted value of the counter circuit (7) for one revolution as rotational irregularity, and 07) is the counted value of one revolution of the memory circuit 06) and the reference. A calculation circuit that calculates a reference value 0 corresponding to the rotation detection pulse signal by calculating the value B, and (8) is a calculation circuit that calculates the count value of the counter circuit (7) and the rotation detection pulse uo' of the rotation detection pulse force of the calculation circuit α. A calculation circuit calculates the error for each rotation detection pulse 110) by calculating the corresponding reference value 0, (9) is an error indicator, and (2) is a control circuit that controls the timing of each circuit.

つぎ【、動作について説明する。第4図は動作説明図で
あり、誤差演算のデータの流れを示している。ここでの
説明は回転検出パルス(10)としてクリープ孔Hを使
用した場合を示す。
Next, the operation will be explained. FIG. 4 is an explanatory diagram of the operation and shows the flow of data for error calculation. The explanation here shows the case where the creep hole H is used as the rotation detection pulse (10).

電源(3)から電力が供給されると、W HM (1)
の回転円板(2)は回転し、回転検出器(4)から回転
検出パルス(1@が得られる。同じく基準パルスJl器
(6)からは基準パルスが発生する。カウンタ回路(7
)は回転検出パルス口0)間の基準パルスを計数する。
When power is supplied from the power source (3), W HM (1)
The rotating disk (2) rotates, and a rotation detection pulse (1@) is obtained from the rotation detector (4). Similarly, a reference pulse is generated from the reference pulse Jl unit (6). The counter circuit (7)
) counts reference pulses between rotation detection pulse ports 0).

制御回路(至)に検出開始指令信号pが与えられると、
制御回路(10)はカウンタ回路(7)の計数値を1回
転分記憶回路(16)に記憶させる(第4図の’Q+l
 +OO+1 )a記憶した計数値と基準値Bにより区
間ごとの基準値P、、1”=を演算回路αηでめる。基
準値PIMP!が誤差Cをめる。これを順次様り返すこ
とにより誤差が回転検出パルス00)ごとに表示器(9
)に表示される。
When the detection start command signal p is given to the control circuit (to),
The control circuit (10) stores the count value of the counter circuit (7) in the memory circuit (16) for one rotation ('Q+l in Fig. 4).
+OO+1)a Calculate the reference value P,, 1''= for each section using the stored count value and reference value B using the arithmetic circuit αη.The reference value PIMP! calculates the error C.By sequentially repeating this, If the error is rotation detection pulse 00), the display (9
) is displayed.

この場合の誤差8は次式によりめられる。The error 8 in this case is determined by the following equation.

但し%−0・・・n回転の区間mの誤差p、 ・・・区
間mの誤差0における基準パフレスカウント値 Onm・・・n回転の区間mの基準パルスカウント値 n・・・回転数1m・・・分割区間 B・・・基準値(誤差0における1回転の基準パルスカ
ウント値) 05 、 m・・・1回転の各区間ごとの基準パルスカ
ウント値 前記(2)式は演算回路(8)での演算を示し−(3)
式は演算回路(γ)での演算を示す。
However, %-0...Error p in section m of n rotations, ...Reference puffless count value Onm in error 0 of section m...Reference pulse count value n in section m of n rotations...Rotation number 1 m...Division section B...Reference value (reference pulse count value for one rotation with error 0) 05, m...Reference pulse count value for each section of one rotation The above formula (2) is calculated using the calculation circuit ( 8) -(3)
The formula shows the calculation in the calculation circuit (γ).

なお、上記実施例では回転検出パルスとしてクリープ孔
0→を使用した場合を示したが、回転円板(2)に第5
図のようにスリットθ心を設けて回転検出パルスを2個
以上にすれば、一層検出時間が短縮される。すなわち、
同図においては、回転円板(2)の外周縁に10等分の
スリット61>を設けであるため、回転円板(2)を1
/10回転させることで、誤差測定でき、調整試験の作
票時間も大幅に短縮される。突験によれば、スリットi
l)の大きさを、輻0゜5闘−長さ1■程度とすること
により、回転円板(2)の回転を1710回転まで短縮
することができる。
In addition, in the above embodiment, the case where the creep hole 0→ is used as the rotation detection pulse is shown, but the fifth
If the number of rotation detection pulses is two or more by providing a slit θ center as shown in the figure, the detection time can be further shortened. That is,
In the figure, since the outer peripheral edge of the rotating disk (2) is provided with slits 61> divided into 10 equal parts, the rotating disk (2) is
By rotating /10 rotations, errors can be measured and the time required to prepare the adjustment test form can be significantly shortened. According to the experiment, slit i
The rotation of the rotary disk (2) can be shortened to 1710 revolutions by setting the size of the rotary disc (2) to about 0°5 degrees minus the length 1 inch.

勿論−スリット頓に限られるものではなく−たとえば孔
であってもよい。
Of course, the material is not limited to slits, but may also be holes, for example.

〔発明の効果〕〔Effect of the invention〕

以上のようにこの発明の方法および装置によれば、11
(Mの回転円板の回転むらを記憶させろことにより、回
転円板の1回転以下で高速に誤差の測定が得られる効果
がある。
As described above, according to the method and apparatus of the present invention, 11
(By memorizing the rotational unevenness of the rotating disk M, there is an effect that the error can be measured at high speed with one revolution or less of the rotating disk.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は従来の電力量針の誤差検出方法および装置を示
すブロック図、第2図は回転円板を示す平面図、第6図
はこの発明に係る電力量針の誤差検出方法およびその装
置の一例を示すブロック図、第4図はこの発明の方法に
よる誤差の演算を示す図、第5図は回転円板の変形構造
を示す平面図である。 (1)・・パ屯力量計、(2)・・・回転円板、(3)
・・・電源、(4)・・・検出器、(5)・・・分局回
路、(6)・・・基準パルス発生器−(7)・・・カウ
ンタ回路k (81m (17)・・・演算回路、(9
)・・・表示器、06)・・・記憶回路、(ホ)・・・
制御回路。 なJi−1図中同一符号は同一もしくは相当部分を示す
。 代理人大岩増雄 第3図 第4191 (m=2(クリープ孔使用)の場合〕 第5図 1 手続補正書(自発) 5B +020 昭和 年 月 日 2 発明の名称 堪力潰計の誤差検出方法およびその装置3、?ill正
をする者 代表者片山仁へ部 6、補正の対象 明細書の発明の詳細な説明の欄 6、補正の内容 明細書をつぎのとおり訂正する。 手続補止書(自発) 111呵1の表示 b−願昭58−148476号2 
発明の名称 電力量計の誤差検出方法およびその装置3 補正をする
者 代表8片111f−八部 5、補正の対象 明細書の「発明の詳細な説明」の欄。 6補正の内容 A、明細書: (1)第5頁第4行目(下から第16行目)と第5行目
(下から第15行目)との間に下記の説明を加入いたし
ます。 記 「而して、この種WHMでは、誤差測定の一層の迅速化
、確実化が望まれているが、上記従来の手段では回転円
板(2)を最低1回転以上回転させる必要があり、上記
の要望に対応できにくい。」仄上
Fig. 1 is a block diagram showing a conventional electric power needle error detection method and device, Fig. 2 is a plan view showing a rotating disk, and Fig. 6 is a electric power needle error detection method and device according to the present invention. FIG. 4 is a block diagram showing an example of the present invention, FIG. 4 is a diagram showing error calculation according to the method of the present invention, and FIG. 5 is a plan view showing a deformed structure of a rotating disk. (1)...Paton dynamometer, (2)...Rotating disk, (3)
...power supply, (4) ...detector, (5) ...branch circuit, (6) ...reference pulse generator - (7) ...counter circuit k (81m (17) ...・Arithmetic circuit, (9
)...Display unit, 06)...Memory circuit, (E)...
control circuit. The same reference numerals in the Ji-1 diagram indicate the same or corresponding parts. Agent Masuo Oiwa Figure 3 Figure 4191 (When m = 2 (creep hole used)) Figure 5 1 Procedural amendment (voluntary) 5B +020 Showa year, month, day 2 Name of the invention Method for detecting errors in a resistance meter and The device 3, the representative of the person making the correction, Hitoshi Katayama, section 6, column 6 of the detailed explanation of the invention of the specification subject to the amendment, and the description of the contents of the amendment are corrected as follows: Procedural amendment ( Spontaneous) Display of 111(1) b-Gan-Sho 58-148476 No. 2
Name of the Invention Method and Apparatus for Detecting Errors in Electric Power Meters 3 Representative Part 8 111f of Person Who Makes Amendment - Part 8 5, "Detailed Description of the Invention" column of the specification to be amended. 6 Amendment contents A, Specification: (1) The following explanation has been added between page 5, line 4 (line 16 from the bottom) and line 5 (line 15 from the bottom). Masu. ``Therefore, in this type of WHM, it is desired that error measurement be made more quickly and reliably, but with the above conventional means, it is necessary to rotate the rotating disk (2) at least one rotation. It is difficult to meet the above requests.''

Claims (1)

【特許請求の範囲】[Claims] (1)電力量に応じた基準パルスを、回転円板から得ら
れる回転検出パルスごとに計数し誤差を検出する電力量
計の誤差検出方法において、回転円板の少なくとも1回
転で2個以上の回転検出パルスを発生させ、この回転円
板の1回転のうちに発生する各回転検出パルス間毎にカ
ウントされる基準パルスをあらかじめ記憶させ、2回転
目以降は各回転検出パルスごとの基準パルス数と前記記
憶した同一区間の基準パルス数を対比させることにより
、各回転検出パルスごとに電力量針の誤差を検出するこ
とを特徴とする電力量針の誤差検出方法。 [21’iM力量計の回転円板から回転円板が1回転す
る間に2個以上の回転検出パルスを得る手段と、回転円
板を回転させる電力量に応じた基準パルスを得る手段と
、前記回転検出パルス間毎に前記基準パルスを計数する
手段と、前記回転検出パルス間ごとの基準パルスの計数
値を1回転分記憶する手段と、前記記憶した基準パルス
の計数値と同一検出パルス区間の2回転目以降の基準パ
ルスの計数値を比較・演算することに″より、各区間ご
とに誤差を検出することを特徴とする電力量計の誤差検
出装置。
(1) In an error detection method for a watt-hour meter that detects an error by counting reference pulses corresponding to the amount of power for each rotation detection pulse obtained from a rotating disk, two or more A rotation detection pulse is generated, and a reference pulse that is counted between each rotation detection pulse generated during one rotation of the rotating disk is memorized in advance, and from the second rotation onward, the reference pulse number for each rotation detection pulse is stored. A method for detecting an error in a power amount needle, characterized in that an error in the power amount needle is detected for each rotation detection pulse by comparing the number of reference pulses in the same interval stored with the number of reference pulses in the same interval. [Means for obtaining two or more rotation detection pulses during one rotation of the rotating disk from the rotating disk of the 21'iM dynamometer, and means for obtaining a reference pulse corresponding to the amount of electric power for rotating the rotating disk, means for counting the reference pulses every time between the rotation detection pulses; means for storing the count value of the reference pulses for each rotation detection pulse for one revolution; and a detection pulse section that is the same as the stored count value of the reference pulses. 1. An error detection device for a watt-hour meter, characterized in that an error is detected for each section by comparing and calculating count values of reference pulses from the second rotation onwards.
JP14847683A 1983-08-11 1983-08-11 Error detecting method and apparatus of watthour meter Granted JPS6038672A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14847683A JPS6038672A (en) 1983-08-11 1983-08-11 Error detecting method and apparatus of watthour meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14847683A JPS6038672A (en) 1983-08-11 1983-08-11 Error detecting method and apparatus of watthour meter

Publications (2)

Publication Number Publication Date
JPS6038672A true JPS6038672A (en) 1985-02-28
JPH0217079B2 JPH0217079B2 (en) 1990-04-19

Family

ID=15453602

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14847683A Granted JPS6038672A (en) 1983-08-11 1983-08-11 Error detecting method and apparatus of watthour meter

Country Status (1)

Country Link
JP (1) JPS6038672A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009518190A (en) * 2005-12-12 2009-05-07 フロニウス・インテルナツィオナール・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング Welding torch and end member and contact tube for welding torch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009518190A (en) * 2005-12-12 2009-05-07 フロニウス・インテルナツィオナール・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング Welding torch and end member and contact tube for welding torch
JP4902667B2 (en) * 2005-12-12 2012-03-21 フロニウス・インテルナツィオナール・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング Welding torch and end member and contact tube for welding torch

Also Published As

Publication number Publication date
JPH0217079B2 (en) 1990-04-19

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